Introduction

DNS synthetic monitor checks the availability and response time of the Domain Name Servers.

Creating DNS synthetic monitor

After selecting the synthetic monitor type, to configure the DNS synthetic monitor:

  1. From the Add Synthetic window, provide details for the following parameters and click Save.
    • Name: Refers to the name of the synthetic monitor.
      Note: The value entered in the Name field must be unique. If the name is not unique, the screen displays an error message: Name Already Exists.
    • Host: Refers to the URL of your host.
    • Locations: Refers to the desired locations from where you want to monitor the URL.
      The screen displays a confirmation message about the successful addition of the synthetic monitor.
  2. Click OK.
    The Synthetics page displays the configured synthetic monitor.

To manage a configured synthetic monitor:

  • Edit – To modify the existing details of the configured synthetic monitors.
  • Delete – To remove the configured synthetic monitors.
  • Scheduled Maintenance – To move any configured synthetic monitor to Scheduled Maintenance.

After configuring, view metrics, and graphical representations for additional information.

Metrics for DNS monitor types

Metrics for DNS Monitor Types
Monitor TypesUnitsRecommended MetricsDescription
DNS-availability.down.location.countLocation Count: The number of locations where the configured host is down
DNSMillisecondssynthetic.response.timeResponse time: Time from the start until the DNS name was resolved

Graphical representation for metrics

Graphical Representation

Graphical Representation

What to do next